Tổng quan về trình cung cấp lịch

// Projection array. Creating indices for this array instead of doing
// dynamic lookups improves performance.
private val EVENT_PROJECTION: Array<String> = arrayOf(
        CalendarContract.Calendars._ID,                     // 0
        CalendarContract.Calendars.ACCOUNT_NAME,            // 1
        CalendarContract.Calendars.CALENDAR_DISPLAY_NAME,   // 2
        CalendarContract.Calendars.OWNER_ACCOUNT            // 3
)

// The indices for the projection array above.
private const val PROJECTION_ID_INDEX: Int = 0
private const val PROJECTION_ACCOUNT_NAME_INDEX: Int = 1
private const val PROJECTION_DISPLAY_NAME_INDEX: Int = 2
private const val PROJECTION_OWNER_ACCOUNT_INDEX: Int = 3

// Projection array. Creating indices for this array instead of doing
// dynamic lookups improves performance.
public static final String[] EVENT_PROJECTION = new String[] {
    Calendars._ID,                           // 0
    Calendars.ACCOUNT_NAME,                  // 1
    Calendars.CALENDAR_DISPLAY_NAME,         // 2
    Calendars.OWNER_ACCOUNT                  // 3
};

// The indices for the projection array above.
private static final int PROJECTION_ID_INDEX = 0;
private static final int PROJECTION_ACCOUNT_NAME_INDEX = 1;
private static final int PROJECTION_DISPLAY_NAME_INDEX = 2;
private static final int PROJECTION_OWNER_ACCOUNT_INDEX = 3;

// Run query
val uri: Uri = CalendarContract.Calendars.CONTENT_URI
val selection: String = "((${CalendarContract.Calendars.ACCOUNT_NAME} = ?) AND (" +
        "${CalendarContract.Calendars.ACCOUNT_TYPE} = ?) AND (" +
        "${CalendarContract.Calendars.OWNER_ACCOUNT} = ?))"
val selectionArgs: Array<String> = arrayOf("hera@example.com", "com.example", "hera@example.com")
val cur: Cursor = contentResolver.query(uri, EVENT_PROJECTION, selection, selectionArgs, null)

// Run query
Cursor cur = null;
ContentResolver cr = getContentResolver();
Uri uri = Calendars.CONTENT_URI;
String selection = "((" + Calendars.ACCOUNT_NAME + " = ?) AND ("
                        + Calendars.ACCOUNT_TYPE + " = ?) AND ("
                        + Calendars.OWNER_ACCOUNT + " = ?))";
String[] selectionArgs = new String[] {"hera@example.com", "com.example",
        "hera@example.com"};
// Submit the query and get a Cursor object back.
cur = cr.query(uri, EVENT_PROJECTION, selection, selectionArgs, null);

// Use the cursor to step through the returned records
while (cur.moveToNext()) {
    // Get the field values
    val calID: Long = cur.getLong(PROJECTION_ID_INDEX)
    val displayName: String = cur.getString(PROJECTION_DISPLAY_NAME_INDEX)
    val accountName: String = cur.getString(PROJECTION_ACCOUNT_NAME_INDEX)
    val ownerName: String = cur.getString(PROJECTION_OWNER_ACCOUNT_INDEX)
    // Do something with the values...
}

// Use the cursor to step through the returned records
while (cur.moveToNext()) {
    long calID = 0;
    String displayName = null;
    String accountName = null;
    String ownerName = null;

    // Get the field values
    calID = cur.getLong(PROJECTION_ID_INDEX);
    displayName = cur.getString(PROJECTION_DISPLAY_NAME_INDEX);
    accountName = cur.getString(PROJECTION_ACCOUNT_NAME_INDEX);
    ownerName = cur.getString(PROJECTION_OWNER_ACCOUNT_INDEX);

    // Do something with the values...

   ...
}

const val DEBUG_TAG: String = "MyActivity"
...
val calID: Long = 2
val values = ContentValues().apply {
    // The new display name for the calendar
    put(CalendarContract.Calendars.CALENDAR_DISPLAY_NAME, "Trevor's Calendar")
}
val updateUri: Uri = ContentUris.withAppendedId(CalendarContract.Calendars.CONTENT_URI, calID)
val rows: Int = contentResolver.update(updateUri, values, null, null)
Log.i(DEBUG_TAG, "Rows updated: $rows")

private static final String DEBUG_TAG = "MyActivity";
...
long calID = 2;
ContentValues values = new ContentValues();
// The new display name for the calendar
values.put(Calendars.CALENDAR_DISPLAY_NAME, "Trevor's Calendar");
Uri updateUri = ContentUris.withAppendedId(Calendars.CONTENT_URI, calID);
int rows = getContentResolver().update(updateUri, values, null, null);
Log.i(DEBUG_TAG, "Rows updated: " + rows);

val calID: Long = 3
val startMillis: Long = Calendar.getInstance().run {
    set(2012, 9, 14, 7, 30)
    timeInMillis
}
val endMillis: Long = Calendar.getInstance().run {
    set(2012, 9, 14, 8, 45)
    timeInMillis
}
...

val values = ContentValues().apply {
    put(CalendarContract.Events.DTSTART, startMillis)
    put(CalendarContract.Events.DTEND, endMillis)
    put(CalendarContract.Events.TITLE, "Jazzercise")
    put(CalendarContract.Events.DESCRIPTION, "Group workout")
    put(CalendarContract.Events.CALENDAR_ID, calID)
    put(CalendarContract.Events.EVENT_TIMEZONE, "America/Los_Angeles")
}
val uri: Uri = contentResolver.insert(CalendarContract.Events.CONTENT_URI, values)

// get the event ID that is the last element in the Uri
val eventID: Long = uri.lastPathSegment.toLong()
//
// ... do something with event ID
//
//

long calID = 3;
long startMillis = 0;
long endMillis = 0;
Calendar beginTime = Calendar.getInstance();
beginTime.set(2012, 9, 14, 7, 30);
startMillis = beginTime.getTimeInMillis();
Calendar endTime = Calendar.getInstance();
endTime.set(2012, 9, 14, 8, 45);
endMillis = endTime.getTimeInMillis();
...

ContentResolver cr = getContentResolver();
ContentValues values = new ContentValues();
values.put(Events.DTSTART, startMillis);
values.put(Events.DTEND, endMillis);
values.put(Events.TITLE, "Jazzercise");
values.put(Events.DESCRIPTION, "Group workout");
values.put(Events.CALENDAR_ID, calID);
values.put(Events.EVENT_TIMEZONE, "America/Los_Angeles");
Uri uri = cr.insert(Events.CONTENT_URI, values);

// get the event ID that is the last element in the Uri
long eventID = Long.parseLong(uri.getLastPathSegment());
//
// ... do something with event ID
//
//

val DEBUG_TAG = "MyActivity"
...
val eventID: Long = 188
...
val values = ContentValues().apply {
    // The new title for the event
    put(CalendarContract.Events.TITLE, "Kickboxing")
}
val updateUri: Uri = ContentUris.withAppendedId(CalendarContract.Events.CONTENT_URI, eventID)
val rows: Int = contentResolver.update(updateUri, values, null, null)
Log.i(DEBUG_TAG, "Rows updated: $rows")

private static final String DEBUG_TAG = "MyActivity";
...
long eventID = 188;
...
ContentResolver cr = getContentResolver();
ContentValues values = new ContentValues();
Uri updateUri = null;
// The new title for the event
values.put(Events.TITLE, "Kickboxing");
updateUri = ContentUris.withAppendedId(Events.CONTENT_URI, eventID);
int rows = cr.update(updateUri, values, null, null);
Log.i(DEBUG_TAG, "Rows updated: " + rows);

val DEBUG_TAG = "MyActivity"
...
val eventID: Long = 201
...
val deleteUri: Uri = ContentUris.withAppendedId(CalendarContract.Events.CONTENT_URI, eventID)
val rows: Int = contentResolver.delete(deleteUri, null, null)
Log.i(DEBUG_TAG, "Rows deleted: $rows")

private static final String DEBUG_TAG = "MyActivity";
...
long eventID = 201;
...
ContentResolver cr = getContentResolver();
Uri deleteUri = null;
deleteUri = ContentUris.withAppendedId(Events.CONTENT_URI, eventID);
int rows = cr.delete(deleteUri, null, null);
Log.i(DEBUG_TAG, "Rows deleted: " + rows);

val eventID: Long = 202
...
val values = ContentValues().apply {
    put(CalendarContract.Attendees.ATTENDEE_NAME, "Trevor")
    put(CalendarContract.Attendees.ATTENDEE_EMAIL, "trevor@example.com")
    put(
        CalendarContract.Attendees.ATTENDEE_RELATIONSHIP,
        CalendarContract.Attendees.RELATIONSHIP_ATTENDEE
    )
    put(CalendarContract.Attendees.ATTENDEE_TYPE, CalendarContract.Attendees.TYPE_OPTIONAL)
    put(
        CalendarContract.Attendees.ATTENDEE_STATUS,
        CalendarContract.Attendees.ATTENDEE_STATUS_INVITED
    )
    put(CalendarContract.Attendees.EVENT_ID, eventID)
}
val uri: Uri = contentResolver.insert(CalendarContract.Attendees.CONTENT_URI, values)

long eventID = 202;
...
ContentResolver cr = getContentResolver();
ContentValues values = new ContentValues();
values.put(Attendees.ATTENDEE_NAME, "Trevor");
values.put(Attendees.ATTENDEE_EMAIL, "trevor@example.com");
values.put(Attendees.ATTENDEE_RELATIONSHIP, Attendees.RELATIONSHIP_ATTENDEE);
values.put(Attendees.ATTENDEE_TYPE, Attendees.TYPE_OPTIONAL);
values.put(Attendees.ATTENDEE_STATUS, Attendees.ATTENDEE_STATUS_INVITED);
values.put(Attendees.EVENT_ID, eventID);
Uri uri = cr.insert(Attendees.CONTENT_URI, values);

val eventID: Long = 221
...
val values = ContentValues().apply {
    put(CalendarContract.Reminders.MINUTES, 15)
    put(CalendarContract.Reminders.EVENT_ID, eventID)
    put(CalendarContract.Reminders.METHOD, CalendarContract.Reminders.METHOD_ALERT)
}
val uri: Uri = contentResolver.insert(CalendarContract.Reminders.CONTENT_URI, values)

long eventID = 221;
...
ContentResolver cr = getContentResolver();
ContentValues values = new ContentValues();
values.put(Reminders.MINUTES, 15);
values.put(Reminders.EVENT_ID, eventID);
values.put(Reminders.METHOD, Reminders.METHOD_ALERT);
Uri uri = cr.insert(Reminders.CONTENT_URI, values);

const val DEBUG_TAG: String = "MyActivity"
val INSTANCE_PROJECTION: Array<String> = arrayOf(
        CalendarContract.Instances.EVENT_ID, // 0
        CalendarContract.Instances.BEGIN, // 1
        CalendarContract.Instances.TITLE // 2
)

// The indices for the projection array above.
const val PROJECTION_ID_INDEX: Int = 0
const val PROJECTION_BEGIN_INDEX: Int = 1
const val PROJECTION_TITLE_INDEX: Int = 2

// Specify the date range you want to search for recurring
// event instances
val startMillis: Long = Calendar.getInstance().run {
    set(2011, 9, 23, 8, 0)
    timeInMillis
}
val endMillis: Long = Calendar.getInstance().run {
    set(2011, 10, 24, 8, 0)
    timeInMillis
}

// The ID of the recurring event whose instances you are searching
// for in the Instances table
val selection: String = "${CalendarContract.Instances.EVENT_ID} = ?"
val selectionArgs: Array<String> = arrayOf("207")

// Construct the query with the desired date range.
val builder: Uri.Builder = CalendarContract.Instances.CONTENT_URI.buildUpon()
ContentUris.appendId(builder, startMillis)
ContentUris.appendId(builder, endMillis)

// Submit the query
val cur: Cursor = contentResolver.query(
        builder.build(),
        INSTANCE_PROJECTION,
        selection,
        selectionArgs, null
)
while (cur.moveToNext()) {
    // Get the field values
    val eventID: Long = cur.getLong(PROJECTION_ID_INDEX)
    val beginVal: Long = cur.getLong(PROJECTION_BEGIN_INDEX)
    val title: String = cur.getString(PROJECTION_TITLE_INDEX)

    // Do something with the values.
    Log.i(DEBUG_TAG, "Event: $title")
    val calendar = Calendar.getInstance().apply {
        timeInMillis = beginVal
    }
    val formatter = SimpleDateFormat("MM/dd/yyyy")
    Log.i(DEBUG_TAG, "Date: ${formatter.format(calendar.time)}")
}

private static final String DEBUG_TAG = "MyActivity";
public static final String[] INSTANCE_PROJECTION = new String[] {
    Instances.EVENT_ID,      // 0
    Instances.BEGIN,         // 1
    Instances.TITLE          // 2
  };

// The indices for the projection array above.
private static final int PROJECTION_ID_INDEX = 0;
private static final int PROJECTION_BEGIN_INDEX = 1;
private static final int PROJECTION_TITLE_INDEX = 2;
...

// Specify the date range you want to search for recurring
// event instances
Calendar beginTime = Calendar.getInstance();
beginTime.set(2011, 9, 23, 8, 0);
long startMillis = beginTime.getTimeInMillis();
Calendar endTime = Calendar.getInstance();
endTime.set(2011, 10, 24, 8, 0);
long endMillis = endTime.getTimeInMillis();

Cursor cur = null;
ContentResolver cr = getContentResolver();

// The ID of the recurring event whose instances you are searching
// for in the Instances table
String selection = Instances.EVENT_ID + " = ?";
String[] selectionArgs = new String[] {"207"};

// Construct the query with the desired date range.
Uri.Builder builder = Instances.CONTENT_URI.buildUpon();
ContentUris.appendId(builder, startMillis);
ContentUris.appendId(builder, endMillis);

// Submit the query
cur =  cr.query(builder.build(),
    INSTANCE_PROJECTION,
    selection,
    selectionArgs,
    null);

while (cur.moveToNext()) {
    String title = null;
    long eventID = 0;
    long beginVal = 0;

    // Get the field values
    eventID = cur.getLong(PROJECTION_ID_INDEX);
    beginVal = cur.getLong(PROJECTION_BEGIN_INDEX);
    title = cur.getString(PROJECTION_TITLE_INDEX);

    // Do something with the values.
    Log.i(DEBUG_TAG, "Event:  " + title);
    Calendar calendar = Calendar.getInstance();
    calendar.setTimeInMillis(beginVal);
    DateFormat formatter = new SimpleDateFormat("MM/dd/yyyy");
    Log.i(DEBUG_TAG, "Date: " + formatter.format(calendar.getTime()));
    }
 }

val startMillis: Long = Calendar.getInstance().run {
    set(2012, 0, 19, 7, 30)
    timeInMillis
}
val endMillis: Long = Calendar.getInstance().run {
    set(2012, 0, 19, 8, 30)
    timeInMillis
}
val intent = Intent(Intent.ACTION_INSERT)
        .setData(CalendarContract.Events.CONTENT_URI)
        .putExtra(CalendarContract.EXTRA_EVENT_BEGIN_TIME, startMillis)
        .putExtra(CalendarContract.EXTRA_EVENT_END_TIME, endMillis)
        .putExtra(CalendarContract.Events.TITLE, "Yoga")
        .putExtra(CalendarContract.Events.DESCRIPTION, "Group class")
        .putExtra(CalendarContract.Events.EVENT_LOCATION, "The gym")
        .putExtra(CalendarContract.Events.AVAILABILITY, CalendarContract.Events.AVAILABILITY_BUSY)
        .putExtra(Intent.EXTRA_EMAIL, "rowan@example.com,trevor@example.com")
startActivity(intent)

Calendar beginTime = Calendar.getInstance();
beginTime.set(2012, 0, 19, 7, 30);
Calendar endTime = Calendar.getInstance();
endTime.set(2012, 0, 19, 8, 30);
Intent intent = new Intent(Intent.ACTION_INSERT)
        .setData(Events.CONTENT_URI)
        .putExtra(CalendarContract.EXTRA_EVENT_BEGIN_TIME, beginTime.getTimeInMillis())
        .putExtra(CalendarContract.EXTRA_EVENT_END_TIME, endTime.getTimeInMillis())
        .putExtra(Events.TITLE, "Yoga")
        .putExtra(Events.DESCRIPTION, "Group class")
        .putExtra(Events.EVENT_LOCATION, "The gym")
        .putExtra(Events.AVAILABILITY, Events.AVAILABILITY_BUSY)
        .putExtra(Intent.EXTRA_EMAIL, "rowan@example.com,trevor@example.com");
startActivity(intent);

val eventID: Long = 208
val uri: Uri = ContentUris.withAppendedId(CalendarContract.Events.CONTENT_URI, eventID)
val intent = Intent(Intent.ACTION_EDIT)
        .setData(uri)
        .putExtra(CalendarContract.Events.TITLE, "My New Title")
startActivity(intent)

long eventID = 208;
Uri uri = ContentUris.withAppendedId(Events.CONTENT_URI, eventID);
Intent intent = new Intent(Intent.ACTION_EDIT)
    .setData(uri)
    .putExtra(Events.TITLE, "My New Title");
startActivity(intent);

val startMillis: Long
...
val builder: Uri.Builder = CalendarContract.CONTENT_URI.buildUpon()
        .appendPath("time")
ContentUris.appendId(builder, startMillis)
val intent = Intent(Intent.ACTION_VIEW)
        .setData(builder.build())
startActivity(intent)

// A date-time specified in milliseconds since the epoch.
long startMillis;
...
Uri.Builder builder = CalendarContract.CONTENT_URI.buildUpon();
builder.appendPath("time");
ContentUris.appendId(builder, startMillis);
Intent intent = new Intent(Intent.ACTION_VIEW)
    .setData(builder.build());
startActivity(intent);

val eventID: Long = 208
...
val uri: Uri = ContentUris.withAppendedId(CalendarContract.Events.CONTENT_URI, eventID)
val intent = Intent(Intent.ACTION_VIEW).setData(uri)
startActivity(intent)

long eventID = 208;
...
Uri uri = ContentUris.withAppendedId(Events.CONTENT_URI, eventID);
Intent intent = new Intent(Intent.ACTION_VIEW)
   .setData(uri);
startActivity(intent);

fun asSyncAdapter(uri: Uri, account: String, accountType: String): Uri {
    return uri.buildUpon()
            .appendQueryParameter(CalendarContract.CALLER_IS_SYNCADAPTER, "true")
            .appendQueryParameter(CalendarContract.Calendars.ACCOUNT_NAME, account)
            .appendQueryParameter(CalendarContract.Calendars.ACCOUNT_TYPE, accountType).build()
}

static Uri asSyncAdapter(Uri uri, String account, String accountType) {
    return uri.buildUpon()
        .appendQueryParameter(android.provider.CalendarContract.CALLER_IS_SYNCADAPTER,"true")
        .appendQueryParameter(Calendars.ACCOUNT_NAME, account)
        .appendQueryParameter(Calendars.ACCOUNT_TYPE, accountType).build();
 }